The MP3 file extension is a specification of the Moving Picture Experts Group (MPEG) standard as a follow-on to MPEG-1 and MPEG-2. The MP3 standard uses a lossy data compression algorithm, and is the most ubiquitous form of audio compression used today. The compression standard discards auditory information below the perception of most human beings. Once the spurious data is discarded, the remaining data is compressed and recorded.
Each MP3 file is made up of MP3 frames, consisting of a header and data block. Frames in sequence are called an elementary stream. Each MP3 header has a sync word, identifying the beginning of data blocks.




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XMMSIn addition to the problem described above, i.e. the lack of the appropriate application to support the .MP3 file, there may be several reasons that cause problems with opening and operation of the data format:
A quite common problem is the lack of application in the appropriate version. Even if you have an application, with the help of which you should open the .MP3 file, you may have a problem with it because of its version. Perhaps in previous versions the application has not yet supported the .MP3 file, so download the update and check again.
If you have already installed the appropriate application, and it is the correct version, the file may not open correctly, because the operating system does not have information that this program supports the file. So you need to "show" which program the computer should use. To do this:
It also happens that the file you want to open is corrupt and therefore there is no such possibility. In this situation, you should find its different version, or ask a person from whom you got, to send it again.
There may be several reasons why you cannot open the file with .MP3 extension. Directly on this website you can find a solution of the most common problem with the .MP3 file – that you do not have on your computer the appropriate program to open the file.